Patent: Optical Viewfinder for Mirrorless Camera

Here’s a strange patent application from Canon, an optical viewfinder adaptor for a mirrorless camera. Canon News breaks down Japan Patent Application 2018-005126: This adapter would provide the half mirror assembly that would split the optical path between the...

Updated: Patent: EF 15mm f/4 & EF-M 9.5mm f/4

Update: Canon News has dug a bit further and come to the conclusion that these optical formulas are for a fisheye due to the lenses having a 175 degree field of view. A new patent showing an optical formula for a new wide angle prime has appeared. The full frame lens...

Patent: Canon EF 85mm f/1.8 & EF 100mm f/1.8

A patent showing 4 new optical formulas for EF prime lenses has appeared. Japan Patent Application 2018-005133 shows the following: EF 50mm f/1.8 EF 85mm f/1.4 (Not the same as the EF 85mm f.1.4L IS) EF 85mm f/1.8 EF 100mm f/1.8 The EF 85mm f/1.8 and EF 100mm f/2...